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Joined: Sun Oct 24, 2010 8:32 pm
Years playing backgammon: 18+ mostly online bot games with gnubg analysis FIBS rating 1850
Location: USA
Contact: ICQ

FAQ (Frequently Asked Questions)

Wed Mar 28, 2012 6:48 pm

How do I move the small number on the dice first?
Click the alternate mouse button to move the small number first

How do I minimize the screen?
Click the alternate mouse button on the X to minimize the screen.

Why can't I double?
GreedyGammon will automatically switch to auto roll mode when the cube is dead, or it is crawford game. When is the cube dead? When your match score + the cube value is equal to or exceeds the match length such that you have no use for any further doubling.

How do I start a new game?
Click the new game icon on the tool bar (red black triangle) and select a match length and click OK.

Does GreedyGAmmon run on MAC?
GreedyGammon will only run on MS Windows (Win-7 and Win-10)

Where is the game log for analysis?
GreedyGammon automatically saves your match in jf.mat format in your documents folder under GreedyG=>jfmat
Versions 3.x can analyze in the background and save in sgf format in your documents-Greedyg-sgf folder

Update: Version 3.x now uses the CLI version of gnubg to processes your completed match in the background as you play a new game, and saves it in sgf format. Click on the file name from the list below the chat box to open GnuBG with the match loaded and ready to review.

Is GreedyGammon the same as FIBZILLA?
GreedyGammon is not a FIBS client like the previous FIBZILLA and 3DFIBS. GreedyGammon does not connect to It connects to its own server. Your FIBS username and passwords dont work on GreedyGammon and your GreedyGammon username will not work on FIBS as they are not related.

GreedyG (gnubg bot) sure wins a lot of games. Does it cheat?
No, it does not cheat. It plays at a world class level which is good enough to beat most people most of the time. By the way, I did not create the gnubg player. That code was done by some PhD level computer scientists. You can read up on it at The code is free and open source for anyone to examine it.

Update: Version 3.x gives beginners an easier to beat version. If you are experienced player, go to options and select "random dice" for real dice.

What is Greedy Bearoff / Auto Race
Greedy Bearoff or Auto Race as the option is called now, is a setting to allow you to sit back and let the computer make all the plays when the game turns into a no contact race. GreedyG will be making your moves for you so you can rest assured that the best possible move for the roll will be played. Since it is a bot generated move, you will sometimes see some peculiar plays when the chance of winning is zero. Also if the position a few moves away from a gammon save, the bots sometimes wait till the opponent is one roll away from gammon and then they take off one piece. It may appear that the Auto Roll makes mistakes but it never loses any equity. It always makes the best play for the score. If the match is already lost it doesn't bother to take off a piece. Some positions require certain kinds of moves to lower the chance of getting gammoned. In those cases, the bot will certainly play better than most players. GreedyGammon offers this setting for the sake of convenience. Future versions may offer a disable option for players who wish not to offer this advantage to their opponent. Here is an example of a mistake you can make during bearoff if you are not experienced. ... f=18&t=167

When will player vs player be implemented
Current version 3.x allows player vs player with a private connection (no server needed) Instructions on how to set it up is in the help from within the game or right here in the support forum (how to connect) in the questions and comments section. ... f=25&t=290

The installer will not run on Vista
Please right click the installer setup file go to "Properties" and click "Unblock" down at the bottom of that dialog. Yeah.. go figure. I have no idea where that came from and why Vista decided it wants to block the setup program.

How do I invite someone to play?
Version 3.0x onward brings back player vs player games with a private connection. Currently the player listed on the new game dialog is who will be your opponent. If you are offline GreedyG is shown. If someone connects, you can pick their name from the drop down and play.

How can I win more games at backgammon?
The best way to improve your game is to play lots of matches against the bots. You will lose most matches but each match is a learning experience. Analyze your games with the free software at You do that by importing the jf.mat file of your game into gnubg. Those logs can be found in your documents folder under GreedyG->jfmat. No need to do extensive analysis. Just glance over the moves and look for the red outlined plays that indicate a major blunder. Take a look at what the correct play was. If the analysis says you played well then its as good as a win and you lost only because the bot got lucky rolls. The main thing to understand about playing the bots is that even the experts only win 50% of their games against the bots. The point is not to win. It is to play as close to a perfect game as possible given the dice that you rolled. If you aim for that goal, the wins will come and your rating will go way up. Also keep in mind that rating formula is such that when your rating is low you will gain a big boost from each win. So you rating will creep up as you play more games even if it seems that you are losing. To play backgammon u gotta be TOUGH :D If you get knocked down, brush yourself off and get right back up and keep fighting. Focus on making the best possible move for each roll no matter how far behind you might be. You will be amazed at some of the comebacks you will manage to pull off if you refuse to give up.
Download GreedyGammon, free backgammon game right here ... taller.exe

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